Details

Time bar (total: 11.9s)

sample84.0ms

Algorithm
intervals
Results
24.0ms505×pre80true
16.0ms117×body320valid
11.0ms249×body80nan
8.0ms92×body160valid
3.0ms20×body640valid
1.0ms27×body80valid

simplify156.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
01217
12217
24216
38216
410416
511216
done11216

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 53.9b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 3.0 a) c))
0.2b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
0.3b
(* (* 3.0 a) c)
28.1b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

rewrite305.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
15×sqrt-prod
14×add-exp-log add-cbrt-cube
pow1
add-log-exp
fma-neg
times-frac associate-/l* difference-of-squares
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u
flip3-- associate-*r* pow-prod-down flip-- distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
frac-2neg div-sub associate-*l* clear-num associate-/r* *-commutative div-inv
Counts
4 → 109
Calls
4 calls:
9.0ms
(- (* b b) (* (* 3.0 a) c))
180.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
31.0ms
(* (* 3.0 a) c)
81.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

series415.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(- (* b b) (* (* 3.0 a) c))
170.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
34.0ms
(* (* 3.0 a) c)
134.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

simplify2.1s

Counts
121 → 121
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02012338
14952065
216751747
done50001676

prune467.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.2b

localize13.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune33.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.2b

localize9.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ (* a c) b)
0.3b
(* -1.5 (/ (* a c) b))
0.4b
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
times-frac associate-*r*
pow1
associate-/r*
expm1-log1p-u associate-*l* log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*r/ clear-num associate-/l*
pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
3 → 84
Calls
3 calls:
14.0ms
(/ (* a c) b)
25.0ms
(* -1.5 (/ (* a c) b))
39.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series115.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ (* a c) b)
42.0ms
(* -1.5 (/ (* a c) b))
31.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify1.1s

Counts
93 → 93
Iterations

Useful iterations: 2 (307.0ms)

IterNodesCost
01291138
13531097
21740813
done5000813

prune268.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 2.2b

localize13.0ms

Local error

Found 3 expressions with local error:

0.3b
(* a (/ c b))
0.3b
(* -1.5 (* a (/ c b)))
0.4b
(/ (* -1.5 (* a (/ c b))) (* 3.0 a))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
21×prod-exp cbrt-unprod
17×add-sqr-sqrt
14×associate-*r*
12×cbrt-undiv add-cube-cbrt *-un-lft-identity div-exp
11×times-frac
10×pow1
associate-*l*
associate-*r/
pow-prod-down
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative div-inv unswap-sqr
frac-2neg clear-num associate-/r* associate-/l/ associate-/l*
Counts
3 → 89
Calls
3 calls:
26.0ms
(* a (/ c b))
24.0ms
(* -1.5 (* a (/ c b)))
48.0ms
(/ (* -1.5 (* a (/ c b))) (* 3.0 a))

series120.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(* a (/ c b))
49.0ms
(* -1.5 (* a (/ c b)))
26.0ms
(/ (* -1.5 (* a (/ c b))) (* 3.0 a))

simplify1.3s

Counts
98 → 98
Iterations

Useful iterations: 2 (418.0ms)

IterNodesCost
01451170
13931123
21913839
done5000839

prune202.0ms

Pruning

19 alts after pruning (17 fresh and 2 done)

Merged error: 2.2b

regimes356.0ms

Accuracy

0% (3.4b remaining)

Error of 6.1b against oracle of 2.6b and baseline of 6.1b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
055
165
done65

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.5s3641×body320valid
907.0ms2959×body160valid
718.0ms16012×pre80true
684.0ms8012×body80nan
217.0ms504×body640valid
64.0ms896×body80valid